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Finding the Fourth Proportional to 186,082.64, 256,684.71 and 117,062.34

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Solution

The fourth proportional to 186,082.64, 256,684.71 and 117,062.34 is: 161,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,082.64 : 256,684.71 = 117,062.34 : x
  2. Step 2: Convert to fraction form
    186,082.64/256,684.71 = 117,062.34/x
  3. Step 3: Cross multiply
    186,082.64x = 256,684.71 × 117,062.34
  4. Step 4: Simplify right side
    186,082.64x = 30,048,112,794.82
  5. Step 5: Solve for x
    x = 30,048,112,794.82/186,082.64
  6. Step 6: Final answer
    x = 161,477.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.